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Carb screw sizes for BS34

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    #1

    Carb screw sizes for BS34

    Who here knows the sizes for the screws on a BS34 carburetor from a 1983 Suzuki GS1100ED?

    I know that the CV caps and float bowl screws are M5 x .8 x 16mm and will need 32 screws total for that.

    But what about the gang plates?

    There are 8 screws for the gang plate on back of the carbs. Then there is another 8 screws that are a little bigger on the front and bottom of the carbs.

    What size are those?

    Thanks for any help!
    Tags: None
    #2
    Originally posted by Flaming Chainsaws View Post
    Who here knows the sizes for the screws on a BS34 carburetor from a 1983 Suzuki GS1100ED?

    I know that the CV caps and float bowl screws are M5 x .8 x 16mm and will need 32 screws total for that.

    But what about the gang plates?

    There are 8 screws for the gang plate on back of the carbs. Then there is another 8 screws that are a little bigger on the front and bottom of the carbs.

    What size are those?

    Thanks for any help!
    M6 x 1.0 x 16mm

    Comment

      #3
      One gang plate is 5M and the other 6M.
      Ed

      To measure is to know.

      Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

      Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

      Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

      KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

      Comment

        #4
        Originally posted by JEEPRUSTY View Post
        M6 x 1.0 x 16mm
        Originally posted by Nessism View Post
        One gang plate is 5M and the other 6M.
        Thank you! What's the thread pitch and length of each?

        There must be a way to look this info up without having to go to the hardware store to find out.

        Comment

          #5
          er um 16 for the one I quoted. The other specs should be the japanese standard. I doubt Suzuki would buy one off screws.

          Comment

            #6
            Originally posted by JEEPRUSTY View Post
            er um 16 for the one I quoted. The other specs should be the japanese standard. I doubt Suzuki would buy one off screws.
            Yes, 16mm is for one of them but what about the other? I'll just go to the hardware store and check.

            Comment

              #7
              Originally posted by Flaming Chainsaws View Post
              Yes, 16mm is for one of them but what about the other? I'll just go to the hardware store and check.
              Ok well the parts numbers on places like alpha-sports decode.
              The fasteners that I have compared are all standard soooooo.

              I feel your pain Nessism is the machinist giuy so he can chime in.

              I thought that M6 was a diameter of fastener and the last foctor was length.

              The middle number is a mm per thread count the standard for M6 being 1

              so good golly go to alpha sports and assume that the part number has standard pitch as a given.

              So M6 16 is the meat of the issue and the 1 in the middle is a given unless otherwise specified.

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